GENEVA, Dec. 29 -- HEBEI BOFENG OIL AND GAS ENGINEERING TECHNOLOGY SERVICE CO., LTD. (No. Yard Of Drilling Equipment Branch, East Side Of Qianshan Road, Bohailu Sub-district, Renqiu CityCangzhou, Hebei 062550), 河北博峰油气工程技术服务有限公司 (中国河北省沧州市任丘市渤海路街道潜山道东侧钻井装备分厂院内) filed a patent application (PCT/CN2025/101838) for "THROTTLE VALVE" on Jun 18, 2025. With publication no. WO/2025/261411, the details related to the patent application was pub...